EC HPLC guard column (analytical), NUCLEODEX GAMMA-PM, 5 µm, 4x3 mm USA00888 1000ug/mL Cl FREE PLATINUM HNO3

1000ug/mL Cl FREE PLATINUM HNO3 500mL

725701-22-4

1208197-23-9

8-Trimethylphenanthrene

1-Hexanethiol

EC HPLC guard column (analytical), NUCLEODEX GAMMA-PM, 5 µm, 4x3 mm USA00888 1000ug/mL Cl FREE PLATINUM HNO3For protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary